If you're worried about putting food on the table or putting a roof over your head, that stress is definitely will contribute to unhappiness, but once you have your basic needs met then incremental money.
Tony HsiehI made a list of the happiest periods of my life & I realized that none of them involve money.
Tony HsiehOur society in general has is more money equals more happiness and all the research has shown that that's true up to a point, up until you can get your basic needs met, but then really there is other stuff that has a much bigger impact on your happiness besides just money.
Tony Hsieh